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Heulandite With Inclusions

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SHW731577

Heulandite With Inclusions

Description Tabs

Description
Locality: 
Jalgoan Quarries, Maharashtra, India
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.5 × 2.5 cm
Weight: 
14.00gr
Description

Loose crystal of red heulandite left from matrix during blasting in the mines. Red color is due to the inclusions of hematite. Some portion of the surface of heulandite has beautiful shiny coating of fine quartz.

Mineral Data
What's on the rock

Heulandite

Synonym Of: 

Heulandite-Ba

Formula: 
(Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O
Strunz: 
9.GE.05
Hardness: 
3.5

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

Heulandite-K

Formula: 
(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Na

Formula: 
(Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Sr

Formula: 
(Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5
Hardness: 
3 - 3.5
Colour: 
White
Streak: 
White

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